Andrew Rader is an aerospace engineer with a PhD from MIT specializing in long-duration spaceflight. In 2013, he won the Discovery Channel’s competitive television series Canada’s Greatest Know-It-All. He also co-hosts the weekly podcast Spellbound, which covers topics from science to economics to history and psychology. Andrew is the author of the children's book trilogy Epic Space Adventure, which includes Mars Rover Rescue and Europa Excursion, and also the book Rocket Science, which teaches the principles of aerospace engineering to children't aged 6-10. His new book Beyond the Knonwn is a history of exploration from the Beginning of Humanity into our spacefaring future.